How to reconnect with MD

So I a few weeks back I had a networking call with an MD for a PubFin office that's starting their SA 2022 recruiting cycle soon. It went really well, had a great discussion and he gave me a referral and asked for my resume to flag with HR.

At this point I've been thinking I should reconnect in some way but I'm not sure exactly how.  Should it be another call or maybe an in person coffee chat kind of thing or should I wait a little longer before reaching out again?

Any advice is really appreciated.

Thanks!